An ancient human civilization forced to live 25 miles under the Earth’s surface send a distress signal to Superboy.
Need more? How about robots, androids, crystal creatures, a mustache twirling, beard stroking bad guy and a Queen who happens to be the spitting image of Lana Lang!
Ed Hamilton teams up with Curt Swan and George Klein to bring us this little science fiction adventure far below the Earth’s surface. When Superboy meets Steelboy!